Home / 198,977.08-298,277.96-99,042.78

Finding the Fourth Proportional to 198,977.08, 298,277.96 and 99,042.78

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Solution

The fourth proportional to 198,977.08, 298,277.96 and 99,042.78 is: 148,470.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,977.08 : 298,277.96 = 99,042.78 : x
  2. Step 2: Convert to fraction form
    198,977.08/298,277.96 = 99,042.78/x
  3. Step 3: Cross multiply
    198,977.08x = 298,277.96 × 99,042.78
  4. Step 4: Simplify right side
    198,977.08x = 29,542,278,371.13
  5. Step 5: Solve for x
    x = 29,542,278,371.13/198,977.08
  6. Step 6: Final answer
    x = 148,470.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.